1 // Copyright (c) 2017 Pierre Moreau 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SOURCE_OPT_REMOVE_DUPLICATES_PASS_H_ 16 #define SOURCE_OPT_REMOVE_DUPLICATES_PASS_H_ 17 18 #include <unordered_map> 19 #include <vector> 20 21 #include "source/opt/decoration_manager.h" 22 #include "source/opt/def_use_manager.h" 23 #include "source/opt/ir_context.h" 24 #include "source/opt/module.h" 25 #include "source/opt/pass.h" 26 27 namespace spvtools { 28 namespace opt { 29 30 using IdDecorationsList = 31 std::unordered_map<uint32_t, std::vector<Instruction*>>; 32 33 // See optimizer.hpp for documentation. 34 class RemoveDuplicatesPass : public Pass { 35 public: name()36 const char* name() const override { return "remove-duplicates"; } 37 Status Process() override; 38 39 private: 40 // Remove duplicate capabilities from the module 41 // 42 // Returns true if the module was modified, false otherwise. 43 bool RemoveDuplicateCapabilities() const; 44 // Remove duplicate extended instruction imports from the module 45 // 46 // Returns true if the module was modified, false otherwise. 47 bool RemoveDuplicatesExtInstImports() const; 48 // Remove duplicate types from the module 49 // 50 // Returns true if the module was modified, false otherwise. 51 bool RemoveDuplicateTypes() const; 52 // Remove duplicate decorations from the module 53 // 54 // Returns true if the module was modified, false otherwise. 55 bool RemoveDuplicateDecorations() const; 56 }; 57 58 } // namespace opt 59 } // namespace spvtools 60 61 #endif // SOURCE_OPT_REMOVE_DUPLICATES_PASS_H_ 62